Question

solve the proportion
((x-8)/5)=(2/4)

Answer 1

 4(x - 8) = (2)(5)
4x - 32 = 10
4x = 42
  x = 10.5

Answer 2

Cross multiply.

4(x - 8) = 5(2)

4x - 32 = 10

4x = 42

x = 42/4

x = 21/2

x = 10.5